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Class Information
Number: 235/494
Name: Registers > Records > Particular code pattern
Description: Subject matter wherein different items of information are represented by particular shaped patterns or arrangements of such patterns.

Patents under this class:

Patent Number Title Of Patent Date Issued
5203591 Multicode barcode label Apr. 20, 1993
5204515 Method of reading identification code sheets using borders to determine scan angle Apr. 20, 1993
5202552 Data with perimeter identification tag Apr. 13, 1993
5189292 Finder pattern for optically encoded machine readable symbols Feb. 23, 1993
5184003 Scannable form having a control mark column with encoded data marks Feb. 2, 1993
5175425 Process for marking semiconductor surfaces Dec. 29, 1992
5170044 Error tolerant 3x3 bit-map coding of binary data and method of decoding Dec. 8, 1992
5168147 Binary image processing for decoding self-clocking glyph shape codes Dec. 1, 1992
5164577 Optical recording medium with region for identifying defective written data Nov. 17, 1992
5160833 Magnetic recording medium having authenticating poles at its edge Nov. 3, 1992
5159181 Capacitive code reader with interelectrode shielding Oct. 27, 1992
5153418 Multiple resolution machine readable symbols Oct. 6, 1992
5142519 Optical recording medium and device for writing and reading information in and from the recording medium Aug. 25, 1992
5128525 Convolution filtering for decoding self-clocking glyph shape codes Jul. 7, 1992
5128526 Identification code Jul. 7, 1992
5128527 Apparatus for reading a bar code Jul. 7, 1992
5128528 Matrix encoding devices and methods Jul. 7, 1992
5126542 Dynamically variable machine readable binary code and method for reading and producing thereof Jun. 30, 1992
5123352 Bar code printing plate and method Jun. 23, 1992
5124536 Dynamically variable machine readable binary code and method for reading and producing thereof Jun. 23, 1992
5124541 Form and procedure for selecting a code to be kept secret Jun. 23, 1992
5113061 Optical card having an identifier for identifying track construction and apparatus for writing and/or reading data on and/or from the optical card May. 12, 1992
5113062 Magnetic card having thermal recording layer and arrangement of magnetic bars for recording security information May. 12, 1992
5103081 Apparatus and method for reading data encoded on circular objects, such as gaming chips Apr. 7, 1992
5101096 Optical recording sheet and method and apparatus for reproducing the same Mar. 31, 1992
5091635 Optical record medium including a data region, an identification region and a control data region, and a method of recording signals on the optical record medium Feb. 25, 1992
5091966 Adaptive scaling for decoding spatially periodic self-clocking glyph shape codes Feb. 25, 1992
5085528 Data card and serial printer using same Feb. 4, 1992
5079565 Thermal transfer printing apparatus and ink paper cassette Jan. 7, 1992
5076718 Data card for serial printer Dec. 31, 1991
5077463 Bar code reading apparatus Dec. 31, 1991
5073954 Bar code location and recognition processing system Dec. 17, 1991
5070490 Optical recording medium with tracking tracks extending beyond the recording layer and a method for detecting tracking signal from said medium Dec. 3, 1991
5070504 Method and apparatus for providing error correction to symbol level codes Dec. 3, 1991
5061946 Microprocessor controlled thermal printer Oct. 29, 1991
5061947 Microprocessor controlled thermal printer Oct. 29, 1991
5059774 Seek and track control for a rectangular optical card handling apparatus Oct. 22, 1991
5059775 Slip and method of and apparatus for automatic reading of the slip Oct. 22, 1991
5053609 Dynamically variable machine readable binary code and method for reading and producing thereof Oct. 1, 1991
5051569 Method for recording data onto optical data recording cards including data regions and sync regions Sep. 24, 1991
5051779 Job control sheet for image processing system Sep. 24, 1991
5047619 High density data track layout for storage media Sep. 10, 1991
5038332 Optical information recording medium including an optically detectable mark representing a boundary between the recording and non-recording areas Aug. 6, 1991
5023437 Bar code marking the surface of an object Jun. 11, 1991
5001330 Optically scanned document with fail-safe marking Mar. 19, 1991
4999481 Method and apparatus for sequentially numbering mail pieces Mar. 12, 1991
4998009 Information recording method for recording data and directories in a plurality of blocks comprising divided recording areas Mar. 5, 1991
4998010 Polygonal information encoding article, process and system Mar. 5, 1991
4988852 Bar code reader Jan. 29, 1991
4985616 Optical card having optical grooves for access and wobbled marks for tracking and a recording-reproducing apparatus therefor Jan. 15, 1991

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